| RefNo | EL/L3/49 |
| Level | Item |
| Title | Letter, from Antoni van Leeuwenhoek to the Royal Society, dated at Delft |
| Creator | Leeuwenhoek; Antoni van (1632-1723); Dutch tradesman and scientist |
| Date | 5 February 1703 |
| Description | Signed autograph
Observations of the colony-forming flagellate 'Anthophysa vegetans' from Delft canal water; observations of dissolving silver in aqua fortis (nitric acid and sulphuric acid) and gold in aqua regia (mixture of nitric acid and hydrochloric acid); observations of the forms in which gold is precipitated from the solution; reasons why there is little duckweed on the surface of water in cold weather
Read to the Royal Society on 17 March 1703
10 red-chalk figures attached
English translation see EL/L3/50
Transcribed and translated in 'Alle de brieven van Antoni van Leeuwenhoek', edited, illustrated and annotated by Committee of Dutch Scientists, vol 14, p 181
English translation printed in 'Philosophical Transactions', vol 23, no 286, p 1430 |
| Language | Dutch |
| Extent | 20p |
| Format | Manuscript |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedMaterial | DOI: 10.1098/rstl.1702.0057 |
| RelatedRecord | EL/L3/50 |
| URLDescription | Also available on Early Modern Letters Online |
| URL | http://emlo.bodleian.ox.ac.uk/profile/work/f22defee-c804-4dc3-993b-1ff917e34d53 |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8438 | Leeuwenhoek; Antoni van (1632 - 1723); tradesman and microscopist | 1632 - 1723 |